Table 2. Numerical Simulation Parameters Setting.

Name		Type	Parameter
Models	Viscous	Viscous	RNG k-epsilon45,46
	Multiphase	Volume of fluid47	Phase1-air
			Phase2-water
Boundary	Wall-up	Pressure outlet	Standard ambient pressure (101 325 Pa)
	Walls-f
	Walls-s	Wall	No-slip standard wall
	Contact face	Roughness height Δl48,49	0.05–0.5m/s mm
		Roughness constant	0.5
		Contact angle θ	∼54°
	Water droplet	Volume fraction	1.0
		Velocity v0(49−51)	0.15–0.45
		Diameter D0(50,51)	1.5–3.0 mm
		Height h(52,53)	2.0–8.0 mm
Material	Water	Density	998.2 kg/m3
		Viscosity	1.03 × –3 kg/(m s)
		Surface tension	0.072 N/m